The Speedmaster PCE281.1083 is a bare aluminum cylinder head designed for Chevy GM LS7 engines, engineered to support displacement configurations of 245cc intake and 60cc combustion chambers. This high-performance cylinder head is ideal for engine builders and enthusiasts looking to maximize flow characteristics and optimize combustion efficiency in LS-platform builds. The aluminum construction provides lightweight durability while the specific chamber sizing supports precise tuning for street, strip, and competition applications.
As a bare casting, this cylinder head requires proper valve seat preparation, valve installation, and machine work before use on an engine. The 245cc intake runner volume and 60cc chamber size are critical specifications for matching this head to your LS7 build parameters, ensuring compatibility with your intended displacement, camshaft profile, and fuel system. This component is essential for engine builders customizing LS7 performance upgrades, crate engine assembly, or complete engine rebuilds where cylinder head selection directly impacts horsepower, torque, and throttle response.
Key Features & Benefits
- LS7 Engineering: Specifically designed for Chevy GM LS7 engine platforms with proven performance heritage.
- 245cc Intake Runner: High-flow intake runner volume optimized for efficient fuel and air mixture delivery.
- 60cc Chamber: Precise combustion chamber sizing critical for compression ratio and engine tuning.
- Aluminum Construction: Lightweight bare casting suitable for custom engine building and machine work.
Specifications
| Brand | Speedmaster |
| Model/MPN | PCE281.1083 |
| Engine Platform | Chevy GM LS7 |
| Intake Runner Volume | 245cc |
| Combustion Chamber Size | 60cc |
| Material | Aluminum |
| Condition | Bare (unmachined) |
Ideal Applications
- LS7 engine builds and performance upgrades
- Crate engine assembly and customization
- Engine rebuild projects for street and strip vehicles
- High-performance engine tuning and displacement optimization